For a binomial distribution, the mean is 20.0 and n= 8. What is for this distribution? Multiple Choice
a.2.5
b.3.0
c.20.0
d.0.3

Answer:

Step-by-step explanation:

Rate of change = (2-3.6)/(5-(-3)) = -1.6/8 = 0.2

Answer:

Y= 2X

Step-by-step explanation:

The Y intercept is 0, therefore it would not have a "b" if it were in the form y=mx+b.

The line is going right, so it's positive. From 0, the line goes over 2, up 2, so the slope is 2.

Answer:

8.9443

Step-by-step explanation:

d = √((x2-x1)2 + (y2-y1)2)

Step by step procedure:

Find the difference between coordinates:

(x2-x1) = (-9 - -1) = -8

(y2-y1) = (2 - -2) = 4

Square the results and sum them up:

(-8)2 + (4)2 = 64 + 16 = 80

Now Find the square root and that's your result:

Exact solution: √80 = 4√5

Approximate solution: 8.9443

The parallel lines in the given figure are;

o || p, m || n

The congruent angles are;

Corresponding angles theorem;

Alternate exterior angles theorem;

Alternate interior angles theorem;

Vertical angles theorem;

Parallel lines are lines that do not intersect.

The details of theorem used to find the congruent angles are as follows;

Corresponding angles theorem;

Alternate interior angles theorem;

Alternate exterior angles theorem;

Vertical angles theorem;

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Step-by-step explanation:

583,200 cubic centimeters

The main function of the female reproductive system is to allowing a person to have sexual intercourse, it also helps a person reproduce.

Both internal and exterior organs make up the female reproductive system. It is in charge of hormone production, menstruation, and sexual activity.

The physical parts that assist women or those who were assigned female at birth (AFAB) are the female reproductive system:

Have a sexual encounter.

Reproduce.

Menstruate.

The female reproductive system serves a number of purposes. It aids in sexual reproduction in addition to enabling sexual activity.

You make eggs using your ovaries. During ovulation, these eggs are subsequently moved to your fallopian tube where sperm fertilisation may take place. The fertilised egg is then transferred to your uterus, where the lining has expanded due to the regular hormones produced during your menstrual cycle (also called your reproductive cycle).

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The reproductive system of a woman performs three primary tasks: releasing eggs that may be fertilized by sperm; (ii) producing female sex hormones including progesterone and oestrogen; and (iii) creating a favorable environment for the development of a fertilized egg during pregnancy.

The female reproductive system is made up of both internal and external organs. Menstruation, sexual activity, and hormone production are all under its control.

The female reproductive system is one of the physical components that helps women or people who were given that gender at birth (AFAB):

Engage in sexual activity.

Reproduce.

Menstruate.

There are many uses for the female reproductive system. Along with permitting sexual activity, it also promotes sexual reproduction.

A woman's reproductive system primarily serves to: I release eggs that may be fertilized by sperm; (ii) produce female sex hormones like progesterone and oestrogen; (iii) create an environment for a fertilized egg to develop throughout pregnancy; and (iv) facilitate labor and childbirth.

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Ex

Answer:

what do you mean by this I don't get it

Given that the first term in the sequence is 1 bacterium and that each hour is the same, we can write a sequence for the first 10 terms generated by this situation. In this problem, the sequence of the population of bacteria can be shown as follows:1, 2, 4, 8, 16, 32, 64, 128, 256, and 512

Reasoning: Each bacterium splits into two every hour, forming a binary sequence that grows with each hour. This represents a geometric sequence where the common ratio is 2, and the first term is 1. Thus, the nth term can be calculated using the formula for the nth term of a geometric sequence: an = a1 * rn-1Where a1 is the first term, r is the common ratio, and n is the number of terms. Hence, the sequence for the first 10 terms generated by this situation is: 1, 2, 4, 8, 16, 32, 64, 128, 256, 512 where each term represents the total population of bacteria every hour.

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Answer:

Subtract 15 from both sides.

5t > 35

Divide both sides by 5.

t > 7

(Sorry, I can't do the > with the _ under it.)

Please mark me Brainliest; I need it to move onto the next level. =D

Answer:

B: 66%

Step-by-step explanation:

2a + 2h

(a) Simplifying, we get f(a+h)−f(a)/h = (a+h)2−2(a+h)+3 − (a2−2a+3) / h = (2a+2h)h/h = 2a + 2h.

(b) We now use the definition of the derivative to compute f'(a) = limh→0 (2a + 2h) = 2a.

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Answer:

6.5

Step-by-step explanation:

This answer can be concluded by plugging in all of the variables into the problem

3r+s-t/2    ---->   3(4)+(3)-(2)   /   2

                          12+3-2 = 13/2 = 6.5

Answer:

6.5

Step-by-step explanation:

(3r+s-t)/2

Replace the variables with the terms.

[3(4)+3-2]/2

Then combine.

(12+3-2)/2

(15-2)/2

13/2

6.5

-hope it helps

Answer:

you have to connect an image or provide further information

Step-by-step explanation:

An inequality representing c, the total number of 150-kilogram crates that can be loaded into the shipping container: c ≤ 98

We know that an inequality is a mathematical statement that represents the inequalities between two algebraic expressions with two variables .

It is an unequal relation between two algebraic expressions.

Here, the greatest weight that can be loaded into the container = 26,000 kilograms

the weight of each crate = 150 kilogram

and the weight of other shipment = 11300 kilograms

Let c be the total number of 150-kilogram crates that can be loaded.

So, we get an inequality:

150 c + 11300 ≤ 26,000

150 c ≤ 26,000 - 11300

150 c ≤ 14700

c ≤ 98

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Answer: 2 is the answer

Step-by-step explanation:

answer: $13.14

$7.24 + $2.65 = $9.89

6.4% sales tax to $9.89 = $10.52

$10.52 + 25% tip = $13.14

The probability category that is defined as the observed relative frequency with which an event occurs is called empirical probability.

Empirical probability is based on observations or data from past events. It involves calculating the probability of an event by dividing the number of times the event occurred by the total number of observations or trials. The empirical probability is an estimation of the true probability based on the observed relative frequency of the event.
For example, if we toss a fair coin 100 times and observe that it lands on heads 50 times, the empirical probability of getting heads would be 50/100, or 0.5. This means that based on the observed data, we can estimate that the probability of getting heads on a fair coin toss is 0.5.
Empirical probability is useful when we don't have prior knowledge or theoretical probabilities available, or when we want to validate or test the theoretical probabilities using real-world data. It is commonly used in fields such as statistics, economics, and social sciences, where data is collected and analyzed to make inferences about probabilities and outcomes.

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Answer:

(1/3)(9x+27) > x + 33

multiply out the 1/3

3x + 9 > x + 33

subtract x and 9 from both sides

2x > 24

x > 12

D) because you dont include the 12

Step-by-step explanation:

Q1: The regression intercept for stock A can be determined by considering the given regression results and assuming a constant risk-free rate (rf) of 8% with total returns instead of excess returns. The intercept represents the expected return of stock A when the market return (RM) is zero. To calculate the intercept, we need to subtract the product of the market return coefficient and the constant risk-free rate from the intercept of the excess return regression. In this case, the intercept for stock A would be -1.1% - (0.95 * 8%) = -1.87%.

Q2: To calculate the standard deviation of the portfolio, we use the given investment proportions and the standard deviations of stocks A and B. The standard deviation of a portfolio can be calculated by considering the investment proportions and the individual stock standard deviations. Using the given information, we can calculate the standard deviation of the portfolio to be 33.82 (rounded to two decimal places). The beta of the portfolio can be calculated by weighting the betas of stocks A and B according to their investment proportions. Based on the given information, the beta of the portfolio is calculated to be 1.09 (rounded to two decimal places).

Q3: The firm-specific variance of the portfolio represents the part of the portfolio's total variance that is not explained by the market index. To calculate the firm-specific variance, we need the portfolio's total variance and the square of the portfolio beta multiplied by the market variance. However, the necessary values are not provided in the given information, so the firm-specific variance cannot be determined without additional information.

Q4: The covariance between the portfolio and the market index represents the measure of their co-movement. It can be calculated by multiplying the portfolio beta, the standard deviation of the portfolio, and the standard deviation of the market index. However, the necessary values for the calculation are not provided in the given information, so the covariance between the portfolio and the market index cannot be determined without additional information.

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The ribbon length is 56 cm.

The area of the fabric is 558 cm.

We have,

Arc length of a circle = 2πx angle/ 360

Now,

angle = 160

radius = 20 cm

So,

Arc length of a circle

= 2πx 160/ 360

= 2 x 3.14 x 20 x 160/360

= 55.82

= 56 cm

And,

Area of the sector = πr² x angle/360

angle = 160

radius = 20 cm

So,

Area of the sector

= π X 20 X 20 x 160/360

= 3.14 X 400 X 160/360

= 558.22

= 558 cm²

Thus,

The ribbon length is 56 cm.

The area of the fabric is 558 cm.

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The value of x that makes 25x^2 + 70x + c a perfect square trinomial is c = 1225.

To make the quadratic expression 25x^2 + 70x + c a perfect square trinomial, we need to determine the value of c.

A perfect square trinomial can be written in the form (ax + b)^2, where a is the coefficient of the x^2 term and b is half the coefficient of the x term.

In this case, a = 25, so b = (1/2)(70) = 35.

Expanding (ax + b)^2, we have:

(25x + 35)^2 = 25x^2 + 2(25)(35)x + 35^2

= 25x^2 + 70x + 1225.

Comparing this with the given quadratic expression 25x^2 + 70x + c, we can see that c = 1225.

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From the information given,

Students ticket = $4

Adult ticket = $6

Let student ticket be x, and adult ticket be y.

This means;

ANSWER:

The calculations show that Jerome spent a total of $40

A solution in mathematics is any value of a variable that makes the specified equation true.

On, the other hand, a solution set is the set of all variables that makes the equation true.

For example;

the solution set of 2y + 6 = 14 is 4 because 2(4) + 6 = 14.

In summary, 4 is the solution set in the above example because it makes the equation true.

Also, when an equation has two variables, the set of ordered pairs that are the solution to the equation are called the solution set to the equation.

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The sample proportion with 95% of confidence level within 8% of the true proportion need to survey 150 people approximately.

To determine the sample size required to achieve a desired margin of error for a proportion,

Confidence level,

The desired level of confidence, stated as a percentage.

Here, it is 95% confidence level.

Margin of error,

The maximum allowable difference between the sample proportion and the true population proportion, stated as a percentage.

Here, the margin of error is 8%.

To calculate the required sample size,  use the formula,

n = (Z² × p × (1 - p)) / E²

where,

n is the required sample size

Z is the Z-score corresponding to the desired confidence level

p is an estimate of the proportion based on prior knowledge or a pilot study

E is the desired margin of error as a decimal

use a conservative estimate of 0.5 to obtain the maximum sample size.

The sample size will be large enough regardless of the actual proportion.

Substituting the values into the formula,

n = (Z² × 0.5 × (1 - 0.5)) / E²

For a 95% confidence level, the corresponding Z-score is approximately 1.96 (from the standard normal distribution).

n = (1.96² × 0.5 ×(1 - 0.5)) / (0.08²)

n ≈ (3.8416 × 0.25) / 0.0064

n ≈ 0.9604 / 0.0064

n ≈ 150.06

Therefore, to be 95% confident that sample proportion is within 8% of the true proportion, would need to survey approximately 150 people.

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Answer:

The distance between the plane and the observer is 16,659.18ft

Step-by-step explanation:

Complete question:

(An observer (O) spots a plane flying at a 42° angle to his horizontal line of sight. If the plane is flying at an altitude of 15,000 ft, what is the distance between the observer and the plane)

Hello,

The question above requires us to find the distance between an observer and a plane. This is very much easy because we are given the angle at which the observer makes with the plane. To solve this question correctly, we need a pictorial representation of the situation.

See attached document for better illustration

In the diagram, we need to find x.

Since the observer and the plane makes a right angled triangle with the distance apart them, we can use SOHCAHTOA

In this case, we have to use Tangent

Tanθ = opposite/ adjacent

θ = 42°

Opposite = 15,000

Adjacent = x

Tan42 = 15000 / x

x = 15000 / tan42

x = 15000 / 0.90

x = 16,659.18ft

The horizontal distance between the observer and the plane is 16,659.18ft

Answer:

I am not too sure but I know it is not 10,035, or 16,648, nor 20,188 because I put that and it wasn’t right so the last option would be.

22,417

Value of the z-test statistic is 1.20.

To find the value of the z-test statistic, we need to calculate the sample proportion and the standard error of the proportion.

The sample proportion is:

p⁻ = 92/400 = 0.23

The standard error of the proportion is:

SE = √[(pq)/n] = √[(0.20.8)/400] = 0.025

where p = 0.2 and q = 0.8.

Now we can calculate the z-test statistic:

z = (p⁻ - p)/SE = (0.23 - 0.2)/0.025 = 1.2

Therefore, the value of the z-test statistic is 1.20.

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ANSWER:

e. 4 and 2

f. 1 and 3

g. 5 and 6

h. 7 and 8

Ok done. Thank to me >:3

Answer:

I am pretty sure it is 19 blocks because it is 14 blocks before going back home. She needs to walk 3 blocks west and 2 blocks south. 14+3+2=19

Step-by-step explanation: